GOODBY£ MJHL — Jimmy Dunn bade the Manitoba Junior Hockey League farewell Monday afternoon in announcing his intention to .resign his post as MJHL commissioner, a position he has held for two years* Jim» my named his reasons as strictly personal* Although the league had offered an increase in salary, he felt the three-team expansion had lrtaken *he fun out of it for him and the fob was becoming too big* No replacement has been named. ,'